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  1. <?php
  2.  
  3. $e = "a+d+c/t-(a*r)";
  4.  
  5. // Всё вместе
  6. preg_match_all('~[^,()^/*+-]+|[,()^/*+-]~', $e, $m); 
  7. print_r($m[0]);
  8.  
  9. // Только все "слова"
  10. preg_match_all('~[^,()^/*+-]+~', $e, $m1); 
  11. print_r($m1[0]);
  12.  
  13. // Только все "символы"
  14. preg_match_all('~[,()^/*+-]~', $e, $m2); 
  15. print_r($m2[0]);
Success #stdin #stdout 0.01s 82944KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => a
    [1] => +
    [2] => d
    [3] => +
    [4] => c
    [5] => /
    [6] => t
    [7] => -
    [8] => (
    [9] => a
    [10] => *
    [11] => r
    [12] => )
)
Array
(
    [0] => a
    [1] => d
    [2] => c
    [3] => t
    [4] => a
    [5] => r
)
Array
(
    [0] => +
    [1] => +
    [2] => /
    [3] => -
    [4] => (
    [5] => *
    [6] => )
)
https://ideone.com/jqNt3N
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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